And in practical terms, we can define the efficiency as the ratio of the heat in to the work out.

在实际中，我们定义,效率为热与功的比值。

麻省理工公开课 - 热力学与动力学课程节选

Ideas like this, as I say, are taken from the aesthetic and practical thinking about the nature of the work of art that one finds in Modernism.

这种观点,来自对,现代主义作品美学和实际的考虑。

耶鲁公开课 - 文学理论导论课程节选